نتایج جستجو برای: complex dynamic network

تعداد نتایج: 1714086  

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2000
B Skyrms R Pemantle

We consider a dynamic social network model in which agents play repeated games in pairings determined by a stochastically evolving social network. Individual agents begin to interact at random, with the interactions modeled as games. The game payoffs determine which interactions are reinforced, and the network structure emerges as a consequence of the dynamics of the agents' learning behavior. ...

Journal: :journal of rangeland science 2011
gh. r. badjian dahlan ismail m. sh. othman a.a. mehrabi

the first motive for the determination and evaluation of an energy productionsystem is the need to change. such system is dynamic in nature and is influenced bymany factors such as age and physiological status of individual sheep or goat, quantityand quality of available feed and environment including the management systems.traditional pastoral resource assessments do not always account for the...

2015
Yong Qin Hui Ma Miao Du Limin Jia

In order to quantitatively and systematically explain the accident occur process and assess the risk for the complex system, this paper proposes a new accident-causing analysis model, i.e. perturbation-safety region (P-SR) model. In this model, the safety region definition is introduced for the quantitative description of the system safe status; also the change process of the system risk is ana...

2000
Jens Voigt Gerhard P. Fettweis

Dynamic radio network level simulations for network optimization and design become more and more important in the wireless industry, because these systems become more exible, dynamic, and adaptive than they ever were before. Many proprietary discrete{event radio network simulators exist in industry and universities. These simulators are either sequential and slow or parallel, but very complex a...

2017
Pedro J. Zufiria Iker Barriales-Valbuena

Dynamic random network models are presented as a mathematical framework for modelling and analyzing the time evolution of complex networks. Such framework allows the time analysis of several network characterizing features such as link density, clustering coefficient, degree distribution, as well as entropy-based complexity measures, providing new insight on the evolution of random networks. So...

Journal: :journal of optimization in industrial engineering 2010
moharam habib nezhad korayem mehdi bamdad ashkan akbareh

planning robot trajectory is a complex task that plays a significant role in design and application of robots in task space. the problem is formulated as a trajectory optimization problem which is fundamentally a constrained nonlinear optimization problem. open-loop optimal control method is proposed as an approach for trajectory optimization of cable parallel manipulator for a given two-end-po...

Journal: :civil engineering infrastructures journal 0
hessamoddin meshkat razavi ph.d. candidate, department of civil engineering, faculty of engineering, ferdowsi university of mashhad, mashhad, iran hashem shariatmadar associated professor, department of civil engineering, faculty of engineering, ferdowsi university of mashhad, mashhad, iran

this study is investigated the optimum parameters for a tuned mass damper (tmd) under the seismic excitation. shuffled complex evolution (sce) is a meta-heuristic optimization method which is used to find the optimum damping and tuning frequency ratio for a tmd. the efficiency of the tmd is evaluated by decreasing the structural displacement dynamic magnification factor (ddmf) and acceleration ...

Journal: :The B.E. Journal of Theoretical Economics 2008

2007
Ralf Klamma Yiwei Cao Marc Spaniol Yan Leng

In this paper, we introduce a so-called DyVT tool (Dynamic social network Visualization Tool) to support spatiotemporal knowledge visualization and discovery in dynamic social networks. The dynamic aspects of social networks refer to contextualized information such as spatial, temporal as well as users’ personalized information. We also define an XML-based target language incorporating emerging...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2012
vahid mohammadnia karim salahshoor

this paper presents an optimal integrated instrumentation sensor network design methodology for complex nonlinear chemical process plants using a combinatorial particle swarm optimiazation (cpso) engine. no comprehensive sensor network design approach has been addressed yet in the literature to simultaneously incorporate cost, precision and reliability requirements for nonlinear plants. the pre...

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